Home / 26,580.40-36,682.62-14,643.72

Finding the Fourth Proportional to 26,580.40, 36,682.62 and 14,643.72

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Solution

The fourth proportional to 26,580.40, 36,682.62 and 14,643.72 is: 20,209.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,580.40 : 36,682.62 = 14,643.72 : x
  2. Step 2: Convert to fraction form
    26,580.40/36,682.62 = 14,643.72/x
  3. Step 3: Cross multiply
    26,580.40x = 36,682.62 × 14,643.72
  4. Step 4: Simplify right side
    26,580.40x = 537,170,016.15
  5. Step 5: Solve for x
    x = 537,170,016.15/26,580.40
  6. Step 6: Final answer
    x = 20,209.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.